////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011, Daniel Kollmann
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted
// provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this list of conditions
//   and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice, this list of
//   conditions and the following disclaimer in the documentation and/or other materials provided
//   with the distribution.
//
// - Neither the name of Daniel Kollmann nor the names of its contributors may be used to endorse
//   or promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
// WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
////////////////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using Brainiac.Design.Nodes;

namespace Brainiac.Design
{
	public partial class NodeViewData
	{
		/// <summary>
		/// A subitem used to visualise attachments on a node.
		/// </summary>
		public abstract class SubItemAttachment : SubItemText
		{
			protected Attachments.Attachment _attachment;

			/// <summary>
			/// The attachment stored in this subitem.
			/// </summary>
			public Attachments.Attachment Attachment
			{
				get { return _attachment; }
			}

			public override object SelectableObject
			{
				// when the subitem gets selected, show the stored attachment in the properties.
				get { return _attachment; }
			}

			public override bool CanBeDeleted
			{
				get { return true; }
			}

			protected override string Label
			{
				get { return _attachment.Label; }
			}

			/// <summary>
			/// Creates a new subitm which can render an attachment on the node.
			/// </summary>
			/// <param name="backgroundNormal">The background brush used when the subitem is not selected.</param>
			/// <param name="backgroundSelected">The background brush used when the subitem is selected. If it cannot be selected, use null.</param>
			/// <param name="labelFont">The font used to draw the label.</param>
			/// <param name="labelBrush">The brush used to draw the label.</param>
			protected SubItemAttachment(Attachments.Attachment attach, Brush backgroundNormal, Brush backgroundSelected, Font labelFont, Brush labelBrush) :
									base(backgroundNormal, backgroundSelected, labelFont, labelBrush, Alignment.Center, false)
			{
				_attachment= attach;
			}
		}
	}
}
